Narellan Road by admin | Jun 28, 2017 | Bark Blower Projects, Commercial Landscaping, Material, Mulches, Roadways | Narellan Road - Roadside Mulching Campbelltown Council The Hills Bark Blower trucks installed Hardwood Chip onto this steep slope. It was an extensive area. Two trucks were used so the job could be done quickly and conveniently. It only took 4 days to spread 450m³.